30.83% is the change from 240 to 314
Calculation steps:
[( 314 - 240 ) ÷ 240] x 100 = 30.83%
Formula
Percentage change = [(314 - 240) / 240] x 100
Subtract the new number by the original number
314 - 240 = 74
74 ÷ 240 = 0.30833333333333335
0.30833333333333335 x 100 = 30.83%